165678582160 has 320 divisors, whose sum is σ = 479539307520. Its totient is φ = 52145233920.

The previous prime is 165678582151. The next prime is 165678582221. The reversal of 165678582160 is 61285876561.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382629304 + ... + 382629736.

It is an arithmetic number, because the mean of its divisors is an integer number (1498560336).

Almost surely, 2^165678582160 is an apocalyptic number.

165678582160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165678582160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239769653760).

165678582160 is an abundant number, since it is smaller than the sum of its proper divisors (313860725360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165678582160 is a wasteful number, since it uses less digits than its factorization.

165678582160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 55.

The spelling of 165678582160 in words is "one hundred sixty-five billion, six hundred seventy-eight million, five hundred eighty-two thousand, one hundred sixty".